Let's step away from File IO for a minute to talk about a feature of Java we have been ignoring, but might find helpful for working with files: command-line arguments. We just successfully passed in 3 ...

It doesn’t take much Java development experience to learn firsthand what the NullPointerException is about. In fact, one person has highlighted dealing with this as the number one mistake Java ...

The best way to teach the concept of Java user input to new software developers is to show them how to use the highly visual and user-friendly JOptionPane class from the Swing package. With one simple ...